Where did you find the Ultegra CC at? I couldn't find any info on them so I bought the FSA SL-K Compact Crank. I would have bought the Shimano instead but didn't feel like waiting.
The 105 FD should work just fine, my DA works with the FSA, just lower it to match the CC.
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Ralph (not Ralphie) on a Roubaix in
Huntington Beach, CA
& Iron Horse Maverick 5.5